Railtrack was a group of companies that owned the track, signalling, tunnels, bridges, level crossings and all but a handful of the stations of the British railway system from 1994 until 2002. It was created as part of the privatisation of British Rail, listed on the London Stock Exchange, and was a constituent of the FTSE 100 Index. In 2002, after experiencing major financial difficulty, most of Railtrack's operations were transferred to the state-controlled non-profit company Network Rail. The remainder of Railtrack was renamed RT Group plc and eventually dissolved on 22 June 2010.
Network Rail Limited is the owner and infrastructure manager of most of the railway network in Great Britain. Network Rail is a non-departmental public body of the Department for Transport with no shareholders, which reinvests its income in the railways.
The Water Services Regulation Authority, or Ofwat, is the body responsible for economic regulation of the privatised water and sewerage industry in England and Wales. Ofwat's main statutory duties include protecting the interests of consumers, securing the long-term resilience of water supply and wastewater systems, and ensuring that companies carry out their functions and are able to finance them.
FirstGroup plc is a British multi-national transport group, based in Aberdeen in the north-east of Scotland. The company operates transport services in the United Kingdom and the Republic of Ireland. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Rete Ferroviaria Italiana (RFI) is the Italian railway infrastructure manager, subsidiary of Ferrovie dello Stato (FS), a state-owned holding company. RFI is the owner of Italy's railway network, it provides signalling, maintenance and other services for the railway network. It also operates train ferries between the Italian Peninsula and Sicily.
The Mott MacDonald Group is a management, engineering and development consultancy headquartered in the United Kingdom. It employs +18,000 staff in 150 countries. Mott MacDonald is one of the largest employee-owned companies in the world.
Metronet Rail was an asset-management company responsible for the maintenance, renewal and upgrade of the infrastructure, including track, trains, signals, civils work and stations, on several London Underground lines. It was one of two infrastructure companies in a public-private partnership (PPP) with the Underground.
RITES Ltd, formerly known as Rail India Technical and Economic Service Limited, is an Indian public sector undertaking and engineering consultancy corporation, specializing in the field of transport infrastructure. Established in 1974 by the Indian Railways, the company's initial charter was to provide consultancy services in rail transport management to operators in India and abroad. RITES has since diversified into planning and consulting services for other infrastructure, including airports, ports, highways and urban planning.
Tube Lines Limited, initially known as Infraco JNP, was an asset-management company responsible for the maintenance, renewal and upgrade of the infrastructure, including track, trains, signals, civils work and stations, of three London Underground lines.
Hyder was a Welsh water, gas and electricity multi-utility and infrastructure company created in 1996. It broke up in 2001 following a financial crisis.
Northumbrian Water Group plc (NWG) is the holding company for several companies in the water supply, sewerage and waste water industries. Its largest subsidiary is Northumbrian Water Limited (NWL), which is one of ten companies in England and Wales that are regulated water supply and sewerage utilities. NWL is the principal water supplier in the north-east of England, where it trades as Northumbrian Water, and also supplies water to part of eastern England, as Essex and Suffolk Water. In 2011 it was acquired by Cheung Kong Infrastructure Holdings.
Atkins was a British multinational construction, design, engineering and business services company. It was formerly listed on the London Stock exchange and had a London headquarters. During July 2017 the company was bought by SNC-Lavalin in a £2.1 billion deal which subsequently renamed to AtkinsRéalis in 2023.
Christopher Wesley Bolt CB is a British economist and civil servant who was the non-executive chairman of the Office of Rail Regulation, the national economic and safety regulatory authority for Britain's railways.
The "Big Four" was a name used to describe the four largest railway companies in the United Kingdom in the period 1923–1947. The name was coined by The Railway Magazine in its issue of February 1923: "The Big Four of the New Railway Era".
Rambøll Group A/S, also known as "Ramboll", is a Danish multinational architecture, engineering, and consulting company. In the past 25 years, the company has expanded from being a business mainly focused on the Nordic region, to having offices in more than 35 countries, with more than 18,000 employees working on projects across the world. Much of the company's activity is centred on Europe, North America, but also in emerging markets. Ramboll has been listed among the world's top 15 international design firms in 2023.
Jarvis plc (LSE: JRVS) was a British company that specialised in construction and civil engineering, with a focus on support services to the British railway industry during its latter years of operations.
Sir David Hartmann Higgins is an Australian-British businessman, the Chairman of United Utilities Group, Chairman of Gatwick Airport, and the former Non-Executive Chairman of High Speed Two (HS2). He was Chief Executive of the London 2012 Summer Olympics Delivery Authority and Network Rail.
Amey plc, previously known as Amey Ltd and Amey Roadstone Construction, is a United Kingdom-based infrastructure support service provider.
Mark Carne is a British businessman who served as executive vice-president for Shell in the Middle East and North Africa and was chief executive of Network Rail.
Turner & Townsend is a multinational professional services company headquartered in Leeds, United Kingdom specialising in programme management, project management, cost management and consulting across the property, infrastructure and natural resources sectors.
